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Finding the Fourth Proportional to 7,177.71, 10,771.53 and 2,795.19

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Solution

The fourth proportional to 7,177.71, 10,771.53 and 2,795.19 is: 4,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.71 : 10,771.53 = 2,795.19 : x
  2. Step 2: Convert to fraction form
    7,177.71/10,771.53 = 2,795.19/x
  3. Step 3: Cross multiply
    7,177.71x = 10,771.53 × 2,795.19
  4. Step 4: Simplify right side
    7,177.71x = 30,108,472.94
  5. Step 5: Solve for x
    x = 30,108,472.94/7,177.71
  6. Step 6: Final answer
    x = 4,194.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.